Ultralisk

The Ultralisk returns to the Zerg army in StarCraft 2 similar to how it left StarCraft Brood Wars. It is not quite as fast as before, but it is still a very powerful unit. The Ultralisk now does splash damage to units with it's mighty cleave as well as has a very high damage output vs. buildings. Also, the Ultralisk works best on creep as it gets a speed bonus for moving on Creep. Lastly, the Ultralisk is immune to stun and does extra damage vs. armored units - making it effective in almost all scenarios. For tips and strategies on using the Ultralisk check out the videos and links on the right. The Ultralisk is a Heavy Assault Beast and has a unit type of Armored - Biological - Massive.
Check out the Starcraft 2 Ultralisk article on videos and strategies of the Ultralisk